16422752520 has 96 divisors (see below), whose sum is σ = 53397016920. Its totient is φ = 4377507840.

The previous prime is 16422752447. The next prime is 16422752531. The reversal of 16422752520 is 2525722461.

16422752520 is a `hidden beast` number, since 1 + 64 + 2 + 2 + 75 + 2 + 520 = 666.

16422752520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11949550596 + 4473201924 = 109314^2 + 66882^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 955200 + ... + 972240.

Almost surely, 2^16422752520 is an apocalyptic number.

16422752520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16422752520 is an abundant number, since it is smaller than the sum of its proper divisors (36974264400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16422752520 is a wasteful number, since it uses less digits than its factorization.

16422752520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19735 (or 19728 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 16422752520 in words is "sixteen billion, four hundred twenty-two million, seven hundred fifty-two thousand, five hundred twenty".